#include "phys_solve_math.h"
#include "phys_engine.h"

namespace phys_engine
{
    void _stick_gravity(_stick *_s)
    {
        _s->_force(_s->_xc,_s->_yc,0,-(_s->_mass*const_g));
    }

    void _stick_touch_floor(_stick *_s)
    {
        return;
    }

    void _stick_keep_link(_stick *_s1,_stick *_s2)
    {
        return;
    }
}
